| A | B |
|---|
| seasons | the divisions of the year with characteristic weather conditions |
| equinox | the sun is directly overhead at noon at the equator |
| equinox | there are 12 hours of both sunlight and darkness all over the Earth |
| solstices | the 2 times of the year when the sun's rays fall farthest from the equator |
| summer solstice | about June 21st in the northern hemisphere |
| summer solstice | vertical rays of the sun fall on 23 1/2 degrees N |
| winter solstice | about December 21st in the northern hemisphere |
| winter solstice | vertical rays of the sun fall on 23 1/2 degrees S |
| summer solstice | the duration of sunlight is the greatest for the northern hemisphere and least for the southern hemisphere |
| winter solstice | the duration of sunlight is the greatest for the southern hemisphere and least for the northern hemisphere |
| autumnal equinox | about September 21st in the northern hemisphere |
| spring equinox | about March 21st in the northern hemisphere |
| sun's rays | cause parts of Earth to change from light to dark |
| seasons | occur as we are in different positions along our orbital path |
